Which of the Following Statements Regarding Calcium Homeostasis Is True

question 104

Multiple Choice

Which of the following statements regarding calcium homeostasis is true?

• A) Parathyroid hormone inhibits osteoclast activity.
• B) When blood calcium levels are too low, osteoclast activity increases.
• C) Increased osteoblast activity increases blood calcium levels.
• D) Parathyroid hormone increases calcium loss from the kidney.
• E) Calcitonin elevates blood calcium levels.

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Definitions:

Natural Killer Cells

A type of white blood cell that plays a crucial role in the body's immune response by attacking tumors and virally infected cells.

Immune System

The complex network of cells, tissues, and organs that work together to defend the body against infections, diseases, and other harmful invaders.

Endocrine System

A network of glands in the body that produce and release hormones directly into the blood to regulate the body's growth, metabolism, and sexual development and function.

Sympathetic Nervous System

A component of the autonomic nervous system that activates the body's fight or flight response in preparation for action.